<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <div id="main" style="width: 600px;height:400px;"></div>
        </el-card>
    </div>
</template>
<script>
import echarts from 'echarts'
import _ from 'lodash'
export default {
    data() {
        return {
            // 需要合并的数据
        options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
        }
    },
   async mounted() {
           var myChart = echarts.init(document.getElementById('main'))
           const { data: res } = await this.$http.get(`reports/type/1`)
           if (res.meta.status !== 200) {
                    return this.$message.error('获取折线图数据失败')
                }
       const result = _.merge(res.data, this.options)
         myChart.setOption(result)
    }
}
</script>
<style lang="less" scoped>

</style>